The 2023 Campeonato Brasileiro Série C will be a football competition held in Brazil, equivalent to the third division. It will begin on 23 April and will end on 12 November 2023. Twenty teams will compete in the tournament, twelve returning from the 2022 season, four promoted from the 2022 Campeonato Brasileiro Série D (Amazonas, América de Natal, Pouso Alegre and São Bernardo) and four relegated from the 2022 Campeonato Brasileiro Série B (Brusque, CSA, Náutico and Operário Ferroviário).